LP Tshapa, G Naidoo, Sershen, and KK Naidoo. “Yeast Supplementation Alleviates the Negative Effects of Greywater Irrigation on Lettuce and Maize”. Water SA 48, no. 3 July (July 27, 2022). Accessed December 22, 2024. https://watersa.net/article/view/14439.